/*
 * My Smoothie Plan — High-Contrast Modern Theme
 * Fonts: Outfit
 * Icons: RemixIcon
 */

/* ══ Variables ══ */
:root {
  /* LIGHT MODE */
  --bg:             #f5fcf7;
  --card:           #ffffff;
  --card-alt:       #f0fdf4;
  --card-hover:     #dcfce7;
  
  --tx-primary:     #0f172a;
  --tx-secondary:   #475569;
  --tx-tertiary:    #64748b;
  
  --accent:         #16a34a;
  --accent-light:   #22c55e;
  --accent-glow:    rgba(22, 163, 74, 0.15);
  
  --coral:          #f97316;
  --coral-glow:     rgba(249, 115, 22, 0.2);
  
  --border:         #e2e8f0;
  --border-accent:  rgba(22, 163, 74, 0.3);
  
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.04);
  --shadow-md:      0 8px 24px rgba(0,0,0,0.06);
  --shadow-btn:     0 4px 14px var(--coral-glow);
  
  --radius-sm:      10px;
  --radius-md:      16px;
  --radius-lg:      24px;
  
  --font-main:      'Outfit', system-ui, sans-serif;
}

[data-theme="dark"] {
  /* DARK MODE - DEEP FOREST THEME */
  --bg:             #080c09;
  --card:           #101612;
  --card-alt:       #18201b;
  --card-hover:     #1e2922;
  
  --tx-primary:     #cbd5e1;
  --tx-secondary:   #9ca3af;
  --tx-tertiary:    #6b7280;
  
  --accent:         #22c55e;
  --accent-light:   #4ade80;
  --accent-glow:    rgba(34, 197, 94, 0.15);
  
  --coral:          #fb923c;
  --coral-glow:     rgba(251, 146, 60, 0.2);
  
  --border:         #233027;
  --border-accent:  rgba(34, 197, 94, 0.25);
  
  --shadow-sm:      0 2px 12px rgba(0,0,0,0.25);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.35);
  --shadow-btn:     0 4px 14px rgba(251, 146, 60, 0.15);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:             #080c09;
    --card:           #101612;
    --card-alt:       #18201b;
    --card-hover:     #1e2922;
    --tx-primary:     #cbd5e1;
    --tx-secondary:   #9ca3af;
    --tx-tertiary:    #6b7280;
    --accent:         #22c55e;
    --accent-light:   #4ade80;
    --accent-glow:    rgba(34, 197, 94, 0.15);
    --coral:          #fb923c;
    --coral-glow:     rgba(251, 146, 60, 0.2);
    --border:         #233027;
    --border-accent:  rgba(34, 197, 94, 0.25);
    --shadow-sm:      0 2px 12px rgba(0,0,0,0.25);
    --shadow-md:      0 8px 32px rgba(0,0,0,0.35);
    --shadow-btn:     0 4px 14px rgba(251, 146, 60, 0.15);
  }
}

/* ══ Global Reset ══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { font-size: 16px; scroll-behavior: smooth; overscroll-behavior-y: none; background: var(--bg); }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--tx-primary);
  min-height: 100dvh;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
  line-height: 1.6;
}
a { cursor: pointer; text-decoration: none; color: inherit; }
button { font-family: inherit; color: inherit; }

/* Typography */
h1, h2, h3, h4 { color: var(--tx-primary); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
p { color: var(--tx-secondary); }

/* Pages */
.pg { display: none; min-height: 100dvh; flex-direction: column; animation: fadeIn 0.4s ease; }
.pg.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ══ Header ══ */
.site-header {
  background: rgba(var(--bg), 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}
.logo-wrap { display: flex; align-items: center; gap: 8px; }
.logo-wrap.sm { justify-content: flex-start; }
.logo-icon { font-size: 1.6rem; color: var(--accent); }
.logo-text { font-size: 1.4rem; font-weight: 900; color: var(--tx-primary); letter-spacing: -0.03em; }
.logo-text span { color: var(--accent); }
.logo-wrap.sm .logo-text { font-size: 1.1rem; }

/* Header Controls */
.theme-toggle, .back-icon-btn {
  position: absolute;
  width: 40px; height: 40px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--tx-secondary);
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}
.theme-toggle { right: 20px; }
.back-icon-btn { left: 20px; }
.theme-toggle:hover, .back-icon-btn:hover { background: var(--card-alt); color: var(--accent); transform: scale(1.05); }

/* ══ Buttons ══ */
.btn-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 32px;
  background: var(--coral);
  color: #fff;
  border: none; border-radius: 100px;
  font-size: 1.05rem; font-weight: 700;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-btn);
}
.btn-cta:hover { background: #ea580c; transform: translateY(-2px); box-shadow: 0 6px 20px var(--coral-glow); }
.btn-cta:active { transform: scale(0.97); }

.btn-outline {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; max-width: 280px; width: 100%;
  background: var(--card); border: 2px solid var(--border);
  color: var(--tx-secondary); border-radius: 100px;
  font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: all 0.2s; margin: 0 auto;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--card-alt); }
.btn-outline:active { transform: scale(0.97); }

/* ══ HOME ══ */
main { flex: 1; }
.hero { position: relative; overflow: hidden; padding: 60px 20px; text-align: center; }
.hero-blob {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -250px; left: 50%; transform: translateX(-50%); pointer-events: none; z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--card-alt);
  border: 1px solid var(--border-accent); border-radius: 100px;
  font-size: 0.85rem; font-weight: 700; color: var(--accent);
}
.hero h1 { font-size: clamp(2.5rem, 8vw, 3.5rem); color: var(--tx-primary); }
.hero h1 span { color: var(--accent); }
.hero-desc { font-size: 1.05rem; line-height: 1.6; color: var(--tx-secondary); max-width: 440px; }

/* Quick Start Grid */
.qs-label { font-size: 0.95rem; font-weight: 700; color: var(--tx-secondary); margin-top: 10px; }
.qs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; margin-top: 8px; }
.qs-btn {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: 16px; background: var(--card);
  border: 2px solid var(--border); border-radius: var(--radius-md);
  cursor: pointer; text-align: left; transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}
.qs-btn:hover { border-color: var(--accent); background: var(--card-alt); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.qs-btn:active { transform: scale(0.97); }
.qs-icon { font-size: 1.8rem; color: var(--coral); }
.qs-btn strong { font-size: 0.95rem; font-weight: 800; color: var(--tx-primary); }
.qs-btn > span:last-child { font-size: 0.8rem; color: var(--tx-tertiary); font-weight: 500; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--card); margin-top: auto; padding: 24px 20px; }
.ft-inner { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.ft-nav { display: flex; gap: 24px; }
.ft-nav a { font-size: 0.95rem; font-weight: 600; color: var(--tx-secondary); transition: color 0.2s; }
.ft-nav a:hover { color: var(--accent); }
.ft-copy { font-size: 0.85rem; color: var(--tx-tertiary); }

/* ══ QUIZ ══ */
.quiz-shell { flex: 1; display: flex; flex-direction: column; }
.quiz-bar {
  display: flex; align-items: center; gap: 16px; padding: 16px 24px;
  background: var(--card); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.quiz-home-btn {
  width: 40px; height: 40px; flex-shrink: 0; background: var(--bg);
  border: 1px solid var(--border); border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; transition: all 0.2s;
}
.quiz-home-btn.hide { display: none; }
.quiz-home-btn:hover { background: var(--card-alt); border-color: var(--accent); }

.back-btn {
  width: 40px; height: 40px; flex-shrink: 0; background: var(--bg);
  border: 1px solid var(--border); border-radius: 50%;
  cursor: pointer; display: none; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--tx-secondary); transition: all 0.2s;
}
.back-btn.show { display: flex; }
.back-btn:hover { background: var(--card-alt); color: var(--accent); }
.prog-track { flex: 1; height: 10px; background: var(--border); border-radius: 100px; overflow: hidden; }
.prog-fill { height: 100%; background: var(--accent); border-radius: 100px; width: 33%; transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.prog-lbl { font-size: 0.85rem; font-weight: 700; color: var(--tx-secondary); white-space: nowrap; }

.qstep { display: none; flex: 1; animation: fadeIn 0.3s ease; }
.qstep.active { display: flex; flex-direction: column; }
.qstep-inner {
  flex: 1; padding: 40px 20px; max-width: 560px; margin: 0 auto; width: 100%;
  display: flex; flex-direction: column; gap: 16px;
}
.qstep-inner h2 { font-size: 1.8rem; color: var(--tx-primary); }
.qstep-inner h2 strong { color: var(--accent); }
.qhint { font-size: 0.95rem; color: var(--tx-secondary); font-weight: 500; }

.picks { display: flex; flex-direction: column; gap: 12px; }
.pick {
  display: flex; align-items: center; gap: 16px; padding: 18px;
  background: var(--card); border: 2px solid var(--border); border-radius: var(--radius-md);
  cursor: pointer; text-align: left; transition: all 0.2s; width: 100%; box-shadow: var(--shadow-sm);
}
.pick:active { transform: scale(0.98); }
.pick:hover { border-color: var(--border-accent); }
.pick.on { border-color: var(--accent); background: var(--card-alt); box-shadow: var(--shadow-md); }
.pick-icon { font-size: 1.8rem; flex-shrink: 0; color: var(--accent); }
.pick-txt { display: flex; flex-direction: column; gap: 4px; color: var(--tx-secondary); }
.pick-txt strong { font-size: 1.05rem; font-weight: 700; color: var(--tx-primary); }
.pick-txt > * + * { font-size: 0.85rem; font-weight: 500; }

/* ══ LOADING ══ */
#pg-loading { align-items: center; justify-content: center; }
.load-wrap { text-align: center; padding: 40px 24px; display: flex; flex-direction: column; align-items: center; gap: 20px; max-width: 400px; width: 100%; }
.smoothie-spin { font-size: 3.5rem; color: var(--accent); animation: spin 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite; display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.load-wrap h2 { font-size: 1.5rem; color: var(--tx-primary); }
.load-wrap > p { font-size: 1rem; color: var(--tx-secondary); font-weight: 500; }
.load-steps { list-style: none; display: flex; flex-direction: column; gap: 10px; width: 100%; text-align: left; margin-top: 10px; }
.load-steps li {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  background: var(--card); border-radius: var(--radius-sm); border: 1px solid var(--border);
  font-size: 0.95rem; font-weight: 600; color: var(--tx-tertiary); transition: all 0.3s;
}
.load-steps li i { font-size: 1.2rem; color: var(--tx-tertiary); }
.load-steps li.on { border-color: var(--accent); color: var(--tx-primary); background: var(--card-alt); box-shadow: var(--shadow-sm); }
.load-steps li.on i { color: var(--accent); }
.load-steps li.done { border-color: var(--border); color: var(--accent); background: var(--bg); }
.load-steps li.done i { color: var(--accent); }

/* ══ RESULTS ══ */
.res-header { background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 20px; }
.res-hdr-inner { display: flex; align-items: center; justify-content: space-between; max-width: 800px; margin: 0 auto; }
.res-actions { display: flex; gap: 10px; }
.act-btn {
  width: 42px; height: 42px; background: var(--bg); border: 1px solid var(--border); border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--tx-primary); transition: all 0.2s; box-shadow: var(--shadow-sm);
}
.act-btn:hover { background: var(--card-alt); color: var(--accent); transform: translateY(-2px); }

.plan-hero { text-align: center; padding: 32px 20px 20px; width: 100%; max-width: 680px; margin: 0 auto; }
.plan-hero h2 { font-size: 1.8rem; margin-bottom: 8px; color: var(--tx-primary); }
.plan-hero p { font-size: 1rem; color: var(--tx-secondary); font-weight: 500; }

.weekly-stats {
  display: flex; overflow-x: auto; scrollbar-width: none;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--card); width: 100%; max-width: 800px; margin: 0 auto;
}
.weekly-stats::-webkit-scrollbar { display: none; }
.ws { flex: 1; min-width: 0; text-align: center; padding: 16px 4px; border-right: 1px solid var(--border); }
.ws:last-child { border-right: none; }
.ws-v { display: block; font-size: 1.2rem; font-weight: 800; color: var(--accent); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ws-l { font-size: 0.7rem; font-weight: 700; color: var(--tx-tertiary); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Day cards */
.days-wrap { padding: 24px 20px; display: flex; flex-direction: column; gap: 16px; width: 100%; max-width: 800px; margin: 0 auto; }
.day-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); transition: transform 0.2s; }
.dc-head { display: flex; align-items: center; gap: 14px; padding: 20px; cursor: pointer; }
.dc-badge { font-size: 0.75rem; font-weight: 800; color: #fff; background: var(--accent); padding: 4px 14px; border-radius: 100px; text-transform: uppercase; letter-spacing: 0.05em; }
.dc-info { flex: 1; min-width: 0; }
.dc-info h3 { font-size: 1.1rem; font-weight: 800; color: var(--tx-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
.dc-info p { font-size: 0.85rem; color: var(--tx-secondary); font-weight: 500; }
.dc-chev { font-size: 1.4rem; color: var(--tx-tertiary); transition: transform 0.3s; }
.day-card.open .dc-chev { transform: rotate(180deg); color: var(--accent); }

.dc-macs { display: flex; border-top: 1px solid var(--border); }
.dm { flex: 1; min-width: 0; text-align: center; padding: 12px 4px; border-right: 1px solid var(--border); }
.dm:last-child { border-right: none; }
.dm-v { display: block; font-size: 1rem; font-weight: 700; color: var(--tx-primary); }
.dm-l { font-size: 0.7rem; font-weight: 600; color: var(--tx-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dc-body { display: none; padding: 0 20px 24px; animation: fadeIn 0.3s ease; }
.day-card.open .dc-body { display: block; }
.sec-lbl { font-size: 0.75rem; font-weight: 700; color: var(--tx-tertiary); text-transform: uppercase; letter-spacing: 0.08em; margin: 16px 0 8px; }
.sec-lbl:first-child { margin-top: 12px; }

.ing-list { display: flex; flex-direction: column; }
.ing-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
.ing-row:last-child { border-bottom: none; }
.ing-name { font-weight: 600; color: var(--tx-primary); }
.ing-amt { font-weight: 500; color: var(--tx-secondary); font-size: 0.9rem; }

.instructions { font-size: 0.95rem; color: var(--tx-secondary); line-height: 1.7; padding: 0 0 0 12px; border-left: 2px solid var(--border); margin-left: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 4px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 100px; font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.pro-tip { display: flex; gap: 12px; margin-top: 16px; padding: 16px; background: var(--coral-glow); border-radius: var(--radius-md); }
.pro-tip i { color: var(--coral); font-size: 1.4rem; flex-shrink: 0; }
.pro-tip span { font-size: 0.9rem; color: var(--coral); font-weight: 500; line-height: 1.6; }

/* Tips */
.tips-section { padding: 0 20px 16px; width: 100%; max-width: 800px; margin: 0 auto; }
.tips-section h3 { font-size: 1.2rem; color: var(--tx-primary); margin-bottom: 16px; }
.tip-card { display: flex; gap: 16px; padding: 16px; margin-bottom: 12px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.tip-num { width: 32px; height: 32px; flex-shrink: 0; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; font-weight: 800; }
.tip-txt { font-size: 0.95rem; line-height: 1.6; color: var(--tx-secondary); font-weight: 500; align-self: center; }

.disclaimer-block {
  display: flex; gap: 12px; margin: 16px 20px; padding: 16px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md);
  width: calc(100% - 40px); max-width: 800px; margin-left: auto; margin-right: auto;
}
.disclaimer-block i { color: var(--tx-tertiary); font-size: 1.4rem; flex-shrink: 0; }
.disclaimer-block p { font-size: 0.85rem; color: var(--tx-tertiary); font-weight: 500; line-height: 1.6; }

/* Result actions */
.res-bottom-actions { display: flex; flex-direction: column; gap: 12px; padding: 24px 20px 40px; max-width: 500px; margin: 0 auto; width: 100%; }
.btn-share {
  display: flex; align-items: center; justify-content: center; gap: 10px; padding: 16px;
  background: var(--accent); color: #fff; border: none; border-radius: 100px;
  font-size: 1.05rem; font-weight: 700; cursor: pointer; box-shadow: 0 4px 16px var(--accent-glow); transition: all 0.2s;
}
.btn-share:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-save-img {
  display: flex; align-items: center; justify-content: center; gap: 10px; padding: 16px;
  background: var(--card); border: 2px solid var(--border); color: var(--tx-primary); border-radius: 100px;
  font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.2s; box-shadow: var(--shadow-sm);
}
.btn-save-img:hover { border-color: var(--accent); color: var(--accent); }
.btn-new {
  display: flex; align-items: center; justify-content: center; gap: 10px; padding: 16px;
  background: transparent; border: none; color: var(--tx-secondary); border-radius: 100px;
  font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.2s;
}
.btn-new:hover { background: var(--bg); color: var(--tx-primary); }

/* ══ CONTENT PAGES ══ */
.content-pg { flex: 1; padding: 40px 24px; }
.content-wrap { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.content-wrap h1 { font-size: 2.2rem; color: var(--tx-primary); }
.content-wrap h2 { font-size: 1.4rem; color: var(--tx-primary); margin-top: 12px; }
.content-wrap p { font-size: 1.05rem; color: var(--tx-secondary); line-height: 1.8; font-weight: 500; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
details summary {
  padding: 18px 20px; font-size: 1.05rem; font-weight: 700; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; color: var(--tx-primary);
}
details summary::after { content: '\ea6e'; font-family: 'remixicon'; font-size: 1.2rem; color: var(--tx-tertiary); transition: transform 0.3s; }
details[open] summary::after { transform: rotate(180deg); color: var(--accent); }
details p { padding: 0 20px 20px; font-size: 0.95rem; color: var(--tx-secondary); font-weight: 500; line-height: 1.7; }

/* Toast */
.share-toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: var(--tx-primary); color: var(--bg); padding: 14px 28px;
  border-radius: 100px; font-size: 0.95rem; font-weight: 700; opacity: 0;
  transition: opacity 0.3s; pointer-events: none; z-index: 1000; white-space: nowrap;
  box-shadow: var(--shadow-md);
}
.share-toast.show { opacity: 1; }

/* ══ DESKTOP ══ */
@media(min-width: 600px) {
  .qs-grid { grid-template-columns: repeat(4, 1fr); }
  .picks { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero h1 { font-size: 3.5rem; }
}
@media(min-width: 900px) {
  .hero { padding: 80px 20px 60px; }
  .days-wrap { padding: 24px 32px; }
}
@media print {
  body { background: #fff; }
  .res-header, .res-bottom-actions, .site-footer, .tips-section, .disclaimer-block { display: none !important; }
}